science book
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| organism | a living thing
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| living things are made out of | cells
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| seven characteristics of living things | movement
respiration
sensitivity
feeding
excretion
reproduction
growth
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| nutrition | the way living things get and use their food
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| respiration | the way living things get energy
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| excretion | the getting rid of wastes that are made in cells
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| growth | growth results from cells dividing
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| reproduction | producing new individuals of the same kind
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| response | ability to react to changes in the environment
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| plants | organisms that have a leaf,stem and roots and sometimes a fruit or flower
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| animals | animals are creatures that can have eyes,ears,hair,fur,legs,wings,shell,fins,gills and so on
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| vertebrates | animals that have a backbone
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| invertebrates | animals that don't have a backbone
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| uses of animals | provide food for humans and other animals.
keep them as pets which reduces stress.
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| living things are identified using a | a key
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| cell membrane | a skin that surrounds the cell,protects the cell and controls the things that enter and leave the cell
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| cytoplasm | a watery substance containing dissolved substances such as proteins and sugars
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| nucleus | control center of the cell
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| eyepiece lens | magnifies by 10x
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| objective lenses | low power x4
medium power x 10
high power x40
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| tissue | a group of similar cells with the same function e.g muscle
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| organ | many different tissues working together e.g the heart
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| system | group of organs working together e.g circulatory system
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| food is needed | as a source of energy
provide material for growth
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| photosynthesis | plants make their own food
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| water | is a excellent solvent
allows substances to be transported
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| Carbohydrates | sugar-> provides energy eg. honey,milk
starch-> provides energy eg. pasta,bread
fibre-> prevents constipation eg. cereals
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| proteins | for growth and repair of cells
to make muscle and hair eg. lean meat,eggs
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| fats | provide store of energy
for insulation eg. butter,milk,cheese
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| vitamins | vit C-> healthy skin&gums eg. oranges,kiwi
lack of vit C causes scurvy
Vit D -> build strong bones&teeth eg. milk,yogurt
lack of vit D causes rickets
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| minerals | iron-> needed to make red blood cells eg. liver
lack of iron cause anaemia
calcium->healthy bones&teeth eg. tinned salmon
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| test for starch | iodine
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| test for glucose | benedicts solution
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| test for protein | sodium hydroxide and copper sulfate
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| test for starch | butter
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| food is measured | in kilojoules
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| food pyramid | guideline showing types of food needed each day
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| digestion | breakdown of large insoluble food molecules into small soluble food molecules
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| enzymes | biological catalysts
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| types of digestion | physical and chemical
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| amylase | starch + amylase -> maltose + amylase
SUBSTRATE ENZYME PRODUCT ENZYME UNCHANGED
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| eating | food taken into the mouth
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| absorption | digested food is taken into the bloodstream and carried to the cells
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| digestive system | mouth
oesophagus
stomach
small intestine
large intestine
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| Mouth | physical digestion by teeth
chemical digestion my enzyme
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| oesophagus | carries food from the mouth to the stomach
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| stomach | food is mixed with digestive enzyme and churned
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| liver | produces bile
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| pancreas | produces digestive enzyme
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| small intestine | completes digestion
digested food absorbed into bloodstream
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| large intestine | takes water back into bloodstream
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| incisor | cutting and biting food
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| canine | tearing food
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| pre molar | crushing and grinding food
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| molar | crushing and grinding food
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
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You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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Created by:
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